1Z0-819 New Real Test, Exam 1Z0-819 Lab Questions

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Oracle 1Z0-819 (Java SE 11 Developer) Exam is a certification exam designed for developers who want to demonstrate their knowledge and skills in developing applications using Java SE 11. 1Z0-819 exam covers a wide range of topics related to Java programming language, such as Java syntax and data types, control structures, object-oriented programming concepts, and exception handling. It also covers topics related to Java SE 11 API, such as collections, concurrency, input/output, and networking.

Oracle Java SE 11 Developer Sample Questions (Q241-Q246):

NEW QUESTION # 241
Given:

Which two lines of code when inserted in line 1 correctly modifies instance variables? (Choose two.)

A. tCount = tCount;
B. cCount = setCCount(c);
C. setCCount(c) = cCount;
D. aCount = a;
E. setGCount(g);

Answer: A,D

NEW QUESTION # 242
Given the code fragment:

What is the result?

A. ad be cf
B. ab cd ef
C. abc def
D. The compilation fails.
E. An ArrayIndexOutOfBoundsException is thrown at runtime.

Answer: A

NEW QUESTION # 243
Given:

Which statement is true about the Fox class?

A. Fox class does not have to override inhabit method, so long as it does not try to call it.
B. Fox class must provide implementation for the inhabit method.
C. Fox class must implement either Forest or Town interfaces, but not both.
D. Fox class does not have to override the inhabit method if Forest and Town provide compatible implementations.
E. The inhabit method implementation from the first interface that Fox implements will take precedence.

Answer: D

NEW QUESTION # 244
Given:

What is the result?

A. Take extra care
B. An exception is thrown at runtime
C. Take extra care
Take extra care
D. The program prints nothing.

Answer: B

NEW QUESTION # 245
Given:

Which two statements are true if the method is added to Bar? (Choose two.)

A. public <T> Iterable<T> foo(Collection<T> arg) { ... } overrides Foo.foo.
B. public Collection<String> foo(Collection<String> arg) { ... } overrides Foo.foo.
C. public <T> Collection<T> foo(Stream<T> arg) { ... } overloads Foo.foo.
D. public <T> Collection<T> bar(Collection<T> arg) { ... } overloads Foo.foo.
E. public <T> Collection<T> foo(Collection<T> arg) { ... } overloads Foo.foo.
F. public <T> List<T> foo(Collection<T> arg) { ... } overrides Foo.foo.

Answer: A,F

NEW QUESTION # 246
......

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Oracle Java SE 11 Developer Sample Questions (Q241-Q246):

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